Genetic changes power H5N1 virus spread, severity in animals
There is a grave risk of sustained transmission in humans once the virus collects a few mutations while spreading among mammals
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Author: Prasad Ravindranath
Increased rainfall alone will not help groundwater recovery in India
The projected increase in groundwater use for irrigation can cancel the benefits of increased rainfall from warming climate
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FDA approves first vaccine for respiratory syncytial virus
On May 3, FDA approved the first vaccine — Arexvy — for respiratory syncytial virus (RSV) to lower respiratory tract disease in people older than 60 years
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Global polio targets set for 2023 unlikely to be met
Since 1988, when the World Health Assembly established the Global Polio Eradication Initiative (GPEI), wild poliovirus subtype-2 and subtype-3 have
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Cheetahs introduced without considering spatial ecology: study
Ideally, just one cheetah is present in 100 sq. km. of an unfenced area, whereas the density of Cheetahs in the Kuno national park stands at three per 100 sq. km.
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Novel host-directed molecules blunt SARS-CoV-2, influenza virus
Virus can develop resistance against antivirals, while drugs that target the host cells to prevent virus infection can remain effective even when the virus evolves
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Influenza virus might have marine origin with fish as early host
Influenza viruses can infect all classes of fish, and Siberian sturgeon may have served as early, if not the first, hosts of influenza virus before it spilled over into mammals
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U.K. sees success in mitochondrial replacement therapy
Eight years after the U.K. became the first country in the world to approve a reproductive technique known as mitochondrial
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Quality human clinical trials using ayurveda and modern medicine
In a welcome move, the Ministry of Ayurveda, Yoga and Naturopathy, Unani, Siddha, Sowa Rigpa, and Homoeopathy (AYUSH) and the Indian
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Wastewater study detects a large, silent wave in Bengaluru
The XBB.1.16 Omicron recombinant first detected in India on December 25, 2022 has become the dominant variant in the country.
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Anaemia: major flaws in a tea fortification study
A small study carried out in Sangli, Maharashtra on 43 women participants to evaluate the effectiveness of tea fortification with
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Omicron variants evolve strategies to evade T cell immunity
The cellular mechanisms and consequences of enhanced MHC I inhibition by Omicron variants on infection and disease remain to be determined
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Prior infections driving dengue virus evolution in India
Several lines of evidence point to interlinked dengue evolution driven by the underlying population-level natural immunity
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